1-Power off 2-Push the throttle all the way, and squeeze the brake handle3-Wait for 2 seconds then power on , you must see a code "E2" flashing, wait 10 seconds then release all4-New full-thro...
1-Power off 2-Push the throttle all the way, and squeeze the brake handle3-Wait for 2 seconds then power on , you must see a code "E2" flashing, wait 10 seconds then release all4-New full-thro...